b43_nphy_rev2_rssi_select(dev, code, type);
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
+static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
+{
+ int i;
+ for (i = 0; i < 2; i++) {
+ if (type == 2) {
+ if (i == 0) {
+ b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
+ 0xFC, buf[0]);
+ b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
+ 0xFC, buf[1]);
+ } else {
+ b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
+ 0xFC, buf[2 * i]);
+ b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
+ 0xFC, buf[2 * i + 1]);
+ }
+ } else {
+ if (i == 0)
+ b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
+ 0xF3, buf[0] << 2);
+ else
+ b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
+ 0xF3, buf[2 * i + 1] << 2);
+ }
+ }
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
+static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
+ u8 nsamp)
+{
+ int i;
+ int out;
+ u16 save_regs_phy[9];
+ u16 s[2];
+
+ if (dev->phy.rev >= 3) {
+ save_regs_phy[0] = b43_phy_read(dev,
+ B43_NPHY_RFCTL_LUT_TRSW_UP1);
+ save_regs_phy[1] = b43_phy_read(dev,
+ B43_NPHY_RFCTL_LUT_TRSW_UP2);
+ save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
+ save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
+ save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
+ save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
+ save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
+ save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
+ save_regs_phy[8] = 0;
+ } else {
+ save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
+ save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
+ save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
+ save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
+ save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
+ save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
+ save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
+ save_regs_phy[7] = 0;
+ save_regs_phy[8] = 0;
+ }
+
+ b43_nphy_rssi_select(dev, 5, type);
+
+ if (dev->phy.rev < 2) {
+ save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
+ b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
+ }
+
+ for (i = 0; i < 4; i++)
+ buf[i] = 0;
+
+ for (i = 0; i < nsamp; i++) {
+ if (dev->phy.rev < 2) {
+ s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
+ s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
+ } else {
+ s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
+ s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
+ }
+
+ buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
+ buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
+ buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
+ buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
+ }
+ out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
+ (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
+
+ if (dev->phy.rev < 2)
+ b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
+
+ if (dev->phy.rev >= 3) {
+ b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
+ save_regs_phy[0]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
+ save_regs_phy[1]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
+ b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
+ b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
+ } else {
+ b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
+ }
+
+ return out;
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
+static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
+{
+ int i, j;
+ u8 state[4];
+ u8 code, val;
+ u16 class, override;
+ u8 regs_save_radio[2];
+ u16 regs_save_phy[2];
+
+ s8 offset[4];
+ u8 core;
+ u8 rail;
+
+ u16 clip_state[2];
+ u16 clip_off[2] = { 0xFFFF, 0xFFFF };
+ s32 results_min[4] = { };
+ u8 vcm_final[4] = { };
+ s32 results[4][4] = { };
+ s32 miniq[4][2] = { };
+
+ if (type == 2) {
+ code = 0;
+ val = 6;
+ } else if (type < 2) {
+ code = 25;
+ val = 4;
+ } else {
+ B43_WARN_ON(1);
+ return;
+ }
+
+ class = b43_nphy_classifier(dev, 0, 0);
+ b43_nphy_classifier(dev, 7, 4);
+ b43_nphy_read_clip_detection(dev, clip_state);
+ b43_nphy_write_clip_detection(dev, clip_off);
+
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
+ override = 0x140;
+ else
+ override = 0x110;
+
+ regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
+ regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
+ b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
+ b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
+
+ regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
+ regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
+ b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
+ b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
+
+ state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
+ state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
+ b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
+ b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
+ state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
+ state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
+
+ b43_nphy_rssi_select(dev, 5, type);
+ b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
+ b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
+
+ for (i = 0; i < 4; i++) {
+ u8 tmp[4];
+ for (j = 0; j < 4; j++)
+ tmp[j] = i;
+ if (type != 1)
+ b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
+ b43_nphy_poll_rssi(dev, type, results[i], 8);
+ if (type < 2)
+ for (j = 0; j < 2; j++)
+ miniq[i][j] = min(results[i][2 * j],
+ results[i][2 * j + 1]);
+ }
+
+ for (i = 0; i < 4; i++) {
+ s32 mind = 40;
+ u8 minvcm = 0;
+ s32 minpoll = 249;
+ s32 curr;
+ for (j = 0; j < 4; j++) {
+ if (type == 2)
+ curr = abs(results[j][i]);
+ else
+ curr = abs(miniq[j][i / 2] - code * 8);
+
+ if (curr < mind) {
+ mind = curr;
+ minvcm = j;
+ }
+
+ if (results[j][i] < minpoll)
+ minpoll = results[j][i];
+ }
+ results_min[i] = minpoll;
+ vcm_final[i] = minvcm;
+ }
+
+ if (type != 1)
+ b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
+
+ for (i = 0; i < 4; i++) {
+ offset[i] = (code * 8) - results[vcm_final[i]][i];
+
+ if (offset[i] < 0)
+ offset[i] = -((abs(offset[i]) + 4) / 8);
+ else
+ offset[i] = (offset[i] + 4) / 8;
+
+ if (results_min[i] == 248)
+ offset[i] = code - 32;
+
+ core = (i / 2) ? 2 : 1;
+ rail = (i % 2) ? 1 : 0;
+
+ b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
+ type);
+ }
+
+ b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
+ b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
+
+ switch (state[2]) {
+ case 1:
+ b43_nphy_rssi_select(dev, 1, 2);
+ break;
+ case 4:
+ b43_nphy_rssi_select(dev, 1, 0);
+ break;
+ case 2:
+ b43_nphy_rssi_select(dev, 1, 1);
+ break;
+ default:
+ b43_nphy_rssi_select(dev, 1, 1);
+ break;
+ }
+
+ switch (state[3]) {
+ case 1:
+ b43_nphy_rssi_select(dev, 2, 2);
+ break;
+ case 4:
+ b43_nphy_rssi_select(dev, 2, 0);
+ break;
+ default:
+ b43_nphy_rssi_select(dev, 2, 1);
+ break;
+ }
+
+ b43_nphy_rssi_select(dev, 0, type);
+
+ b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
+ b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
+ b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
+
+ b43_nphy_classifier(dev, 7, class);
+ b43_nphy_write_clip_detection(dev, clip_state);
+ /* Specs don't say about reset here, but it makes wl and b43 dumps
+ identical, it really seems wl performs this */
+ b43_nphy_reset_cca(dev);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
+static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
+{
+ /* TODO */
+}
+
+/*
+ * RSSI Calibration
+ * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
+ */
+static void b43_nphy_rssi_cal(struct b43_wldev *dev)
+{
+ if (dev->phy.rev >= 3) {
+ b43_nphy_rev3_rssi_cal(dev);
+ } else {
+ b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
+ b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
+ b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
+ }
+}
+
/**************************************************
* Workarounds
**************************************************/
b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
- if (dev->phy.rev == 2)
- b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
- B43_NPHY_FINERX2_CGC_DECGC);
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
-static void b43_nphy_workarounds(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_n *nphy = phy->n;
-
- if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
- b43_nphy_classifier(dev, 1, 0);
- else
- b43_nphy_classifier(dev, 1, 1);
-
- if (nphy->hang_avoid)
- b43_nphy_stay_in_carrier_search(dev, 1);
-
- b43_phy_set(dev, B43_NPHY_IQFLIP,
- B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
-
- if (dev->phy.rev >= 3)
- b43_nphy_workarounds_rev3plus(dev);
- else
- b43_nphy_workarounds_rev1_2(dev);
-
- if (nphy->hang_avoid)
- b43_nphy_stay_in_carrier_search(dev, 0);
-}
-
-/*
- * Transmits a known value for LO calibration
- * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
- */
-static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
- bool iqmode, bool dac_test)
-{
- u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
- if (samp == 0)
- return -1;
- b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
- return 0;
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
-static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
-{
- struct b43_phy_n *nphy = dev->phy.n;
- int i, j;
- u32 tmp;
- u32 cur_real, cur_imag, real_part, imag_part;
-
- u16 buffer[7];
-
- if (nphy->hang_avoid)
- b43_nphy_stay_in_carrier_search(dev, true);
-
- b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
-
- for (i = 0; i < 2; i++) {
- tmp = ((buffer[i * 2] & 0x3FF) << 10) |
- (buffer[i * 2 + 1] & 0x3FF);
- b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
- (((i + 26) << 10) | 320));
- for (j = 0; j < 128; j++) {
- b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
- ((tmp >> 16) & 0xFFFF));
- b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
- (tmp & 0xFFFF));
- }
- }
-
- for (i = 0; i < 2; i++) {
- tmp = buffer[5 + i];
- real_part = (tmp >> 8) & 0xFF;
- imag_part = (tmp & 0xFF);
- b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
- (((i + 26) << 10) | 448));
-
- if (dev->phy.rev >= 3) {
- cur_real = real_part;
- cur_imag = imag_part;
- tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
- }
-
- for (j = 0; j < 128; j++) {
- if (dev->phy.rev < 3) {
- cur_real = (real_part * loscale[j] + 128) >> 8;
- cur_imag = (imag_part * loscale[j] + 128) >> 8;
- tmp = ((cur_real & 0xFF) << 8) |
- (cur_imag & 0xFF);
- }
- b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
- ((tmp >> 16) & 0xFFFF));
- b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
- (tmp & 0xFFFF));
- }
- }
-
- if (dev->phy.rev >= 3) {
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
- }
-
- if (nphy->hang_avoid)
- b43_nphy_stay_in_carrier_search(dev, false);
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
-static void b43_nphy_bphy_init(struct b43_wldev *dev)
-{
- unsigned int i;
- u16 val;
-
- val = 0x1E1F;
- for (i = 0; i < 16; i++) {
- b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
- val -= 0x202;
- }
- val = 0x3E3F;
- for (i = 0; i < 16; i++) {
- b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
- val -= 0x202;
- }
- b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
-static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
-{
- int i;
- for (i = 0; i < 2; i++) {
- if (type == 2) {
- if (i == 0) {
- b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
- 0xFC, buf[0]);
- b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
- 0xFC, buf[1]);
- } else {
- b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
- 0xFC, buf[2 * i]);
- b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
- 0xFC, buf[2 * i + 1]);
- }
- } else {
- if (i == 0)
- b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
- 0xF3, buf[0] << 2);
- else
- b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
- 0xF3, buf[2 * i + 1] << 2);
- }
- }
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
-static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
- u8 nsamp)
-{
- int i;
- int out;
- u16 save_regs_phy[9];
- u16 s[2];
-
- if (dev->phy.rev >= 3) {
- save_regs_phy[0] = b43_phy_read(dev,
- B43_NPHY_RFCTL_LUT_TRSW_UP1);
- save_regs_phy[1] = b43_phy_read(dev,
- B43_NPHY_RFCTL_LUT_TRSW_UP2);
- save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
- save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
- save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
- save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
- save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
- save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
- save_regs_phy[8] = 0;
- } else {
- save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
- save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
- save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
- save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
- save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
- save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
- save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
- save_regs_phy[7] = 0;
- save_regs_phy[8] = 0;
- }
-
- b43_nphy_rssi_select(dev, 5, type);
-
- if (dev->phy.rev < 2) {
- save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
- b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
- }
-
- for (i = 0; i < 4; i++)
- buf[i] = 0;
-
- for (i = 0; i < nsamp; i++) {
- if (dev->phy.rev < 2) {
- s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
- s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
- } else {
- s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
- s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
- }
-
- buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
- buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
- buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
- buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
- }
- out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
- (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
-
- if (dev->phy.rev < 2)
- b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
-
- if (dev->phy.rev >= 3) {
- b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
- save_regs_phy[0]);
- b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
- save_regs_phy[1]);
- b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
- b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
- b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
- b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
- b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
- b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
- } else {
- b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
- b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
- b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
- b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
- b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
- b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
- b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
- }
-
- return out;
+ if (dev->phy.rev == 2)
+ b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
+ B43_NPHY_FINERX2_CGC_DECGC);
}
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
-static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
+static void b43_nphy_workarounds(struct b43_wldev *dev)
{
- int i, j;
- u8 state[4];
- u8 code, val;
- u16 class, override;
- u8 regs_save_radio[2];
- u16 regs_save_phy[2];
-
- s8 offset[4];
- u8 core;
- u8 rail;
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_n *nphy = phy->n;
- u16 clip_state[2];
- u16 clip_off[2] = { 0xFFFF, 0xFFFF };
- s32 results_min[4] = { };
- u8 vcm_final[4] = { };
- s32 results[4][4] = { };
- s32 miniq[4][2] = { };
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
+ b43_nphy_classifier(dev, 1, 0);
+ else
+ b43_nphy_classifier(dev, 1, 1);
- if (type == 2) {
- code = 0;
- val = 6;
- } else if (type < 2) {
- code = 25;
- val = 4;
- } else {
- B43_WARN_ON(1);
- return;
- }
+ if (nphy->hang_avoid)
+ b43_nphy_stay_in_carrier_search(dev, 1);
- class = b43_nphy_classifier(dev, 0, 0);
- b43_nphy_classifier(dev, 7, 4);
- b43_nphy_read_clip_detection(dev, clip_state);
- b43_nphy_write_clip_detection(dev, clip_off);
+ b43_phy_set(dev, B43_NPHY_IQFLIP,
+ B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
- if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
- override = 0x140;
+ if (dev->phy.rev >= 3)
+ b43_nphy_workarounds_rev3plus(dev);
else
- override = 0x110;
-
- regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
- regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
- b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
- b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
+ b43_nphy_workarounds_rev1_2(dev);
- regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
- regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
- b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
- b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
+ if (nphy->hang_avoid)
+ b43_nphy_stay_in_carrier_search(dev, 0);
+}
- state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
- state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
- b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
- b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
- state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
- state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
+/*
+ * Transmits a known value for LO calibration
+ * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
+ */
+static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
+ bool iqmode, bool dac_test)
+{
+ u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
+ if (samp == 0)
+ return -1;
+ b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
+ return 0;
+}
- b43_nphy_rssi_select(dev, 5, type);
- b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
- b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
+static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
+{
+ struct b43_phy_n *nphy = dev->phy.n;
+ int i, j;
+ u32 tmp;
+ u32 cur_real, cur_imag, real_part, imag_part;
- for (i = 0; i < 4; i++) {
- u8 tmp[4];
- for (j = 0; j < 4; j++)
- tmp[j] = i;
- if (type != 1)
- b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
- b43_nphy_poll_rssi(dev, type, results[i], 8);
- if (type < 2)
- for (j = 0; j < 2; j++)
- miniq[i][j] = min(results[i][2 * j],
- results[i][2 * j + 1]);
- }
+ u16 buffer[7];
- for (i = 0; i < 4; i++) {
- s32 mind = 40;
- u8 minvcm = 0;
- s32 minpoll = 249;
- s32 curr;
- for (j = 0; j < 4; j++) {
- if (type == 2)
- curr = abs(results[j][i]);
- else
- curr = abs(miniq[j][i / 2] - code * 8);
+ if (nphy->hang_avoid)
+ b43_nphy_stay_in_carrier_search(dev, true);
- if (curr < mind) {
- mind = curr;
- minvcm = j;
- }
+ b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
- if (results[j][i] < minpoll)
- minpoll = results[j][i];
+ for (i = 0; i < 2; i++) {
+ tmp = ((buffer[i * 2] & 0x3FF) << 10) |
+ (buffer[i * 2 + 1] & 0x3FF);
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
+ (((i + 26) << 10) | 320));
+ for (j = 0; j < 128; j++) {
+ b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
+ ((tmp >> 16) & 0xFFFF));
+ b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
+ (tmp & 0xFFFF));
}
- results_min[i] = minpoll;
- vcm_final[i] = minvcm;
}
- if (type != 1)
- b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
-
- for (i = 0; i < 4; i++) {
- offset[i] = (code * 8) - results[vcm_final[i]][i];
-
- if (offset[i] < 0)
- offset[i] = -((abs(offset[i]) + 4) / 8);
- else
- offset[i] = (offset[i] + 4) / 8;
-
- if (results_min[i] == 248)
- offset[i] = code - 32;
-
- core = (i / 2) ? 2 : 1;
- rail = (i % 2) ? 1 : 0;
-
- b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
- type);
- }
+ for (i = 0; i < 2; i++) {
+ tmp = buffer[5 + i];
+ real_part = (tmp >> 8) & 0xFF;
+ imag_part = (tmp & 0xFF);
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
+ (((i + 26) << 10) | 448));
- b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
- b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
+ if (dev->phy.rev >= 3) {
+ cur_real = real_part;
+ cur_imag = imag_part;
+ tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
+ }
- switch (state[2]) {
- case 1:
- b43_nphy_rssi_select(dev, 1, 2);
- break;
- case 4:
- b43_nphy_rssi_select(dev, 1, 0);
- break;
- case 2:
- b43_nphy_rssi_select(dev, 1, 1);
- break;
- default:
- b43_nphy_rssi_select(dev, 1, 1);
- break;
+ for (j = 0; j < 128; j++) {
+ if (dev->phy.rev < 3) {
+ cur_real = (real_part * loscale[j] + 128) >> 8;
+ cur_imag = (imag_part * loscale[j] + 128) >> 8;
+ tmp = ((cur_real & 0xFF) << 8) |
+ (cur_imag & 0xFF);
+ }
+ b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
+ ((tmp >> 16) & 0xFFFF));
+ b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
+ (tmp & 0xFFFF));
+ }
}
- switch (state[3]) {
- case 1:
- b43_nphy_rssi_select(dev, 2, 2);
- break;
- case 4:
- b43_nphy_rssi_select(dev, 2, 0);
- break;
- default:
- b43_nphy_rssi_select(dev, 2, 1);
- break;
+ if (dev->phy.rev >= 3) {
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
}
- b43_nphy_rssi_select(dev, 0, type);
-
- b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
- b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
- b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
- b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
-
- b43_nphy_classifier(dev, 7, class);
- b43_nphy_write_clip_detection(dev, clip_state);
- /* Specs don't say about reset here, but it makes wl and b43 dumps
- identical, it really seems wl performs this */
- b43_nphy_reset_cca(dev);
+ if (nphy->hang_avoid)
+ b43_nphy_stay_in_carrier_search(dev, false);
}
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
-static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
+static void b43_nphy_bphy_init(struct b43_wldev *dev)
{
- /* TODO */
-}
+ unsigned int i;
+ u16 val;
-/*
- * RSSI Calibration
- * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
- */
-static void b43_nphy_rssi_cal(struct b43_wldev *dev)
-{
- if (dev->phy.rev >= 3) {
- b43_nphy_rev3_rssi_cal(dev);
- } else {
- b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
- b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
- b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
+ val = 0x1E1F;
+ for (i = 0; i < 16; i++) {
+ b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
+ val -= 0x202;
+ }
+ val = 0x3E3F;
+ for (i = 0; i < 16; i++) {
+ b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
+ val -= 0x202;
}
+ b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
}
/*
git.openpandora.org / pandora-kernel.git / commitdiff